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Design a conversational analytics agent that answers business questions over a data warehouse in natural language.

'What was revenue by region last quarter?' sounds like text-to-SQL, but production analytics agents fail on ambiguity, wrong joins, and confidently wrong numbers. Here is the architecture that makes the answers trustworthy.

Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.

'What was revenue by region last quarter?' sounds like text-to-SQL, but production analytics agents fail on ambiguity, wrong joins, and confidently wrong numbers. Here is the architecture that makes the answers trustworthy.

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